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C# 在winform畫面上點擊某個區域造成按鈕按下效果的方法

在Winform的窗體中,存在背景圖的情況下,不想在畫面上加入按鈕,只希望利用窗體自身的幾個事件來實現按鈕按下的效果,怎麼樣實現呢?

其實這也不難,只需要按照下列步驟即可實現,首先確定要按下的幾個區域的坐標點和大小,准備好按下和彈出的圖片,將這些坐標點和大小

組成一個個區域(使用GraphicsPath來完成)。然後使用幾個Flage標志,標識是否區域的按下。具體實現的代碼如下:

 /// <summary>
    /// 實時監控,酒位展示,酒櫃介紹,網絡訂購4個按鈕的位置參數
    /// </summary>
    int[,] BtnLocation = new int[4, 2]{{637,161},{683,269},{714,374},{637,478}};
    /// <summary>
    /// 4個按鈕的Size參數
    /// </summary>
    Size BtnSize = new Size(285,92);   
    /// <summary>
    /// 實時監控按鈕是否按下的標志
    /// </summary>
    bool FlageMouseDownRealTime = false;
    /// <summary>
    ///  酒位展示按鈕是否按下的標志
    /// </summary>
    bool FlageMouseDownWinePos = false;
    /// <summary>
    /// 酒櫃介紹按鈕是否按下的標志
    /// </summary>
    bool FlageMouseDownCupIntrol = false;
    /// <summary>
    /// 網絡訂購按鈕是否按下的標志
    /// </summary>
    bool FlageMouseDownNetPurchase = false;
    /// <summary>
    /// 實時監控按鈕的位置范圍
    /// </summary>
    GraphicsPath gpRealTime = new GraphicsPath();
    /// <summary>
    /// 酒位展示按鈕的位置范圍
    /// </summary>
    GraphicsPath gpWinePos = new GraphicsPath();
    /// <summary>
    /// 酒櫃介紹按鈕的位置范圍
    /// </summary>
    GraphicsPath gpCupIntrol = new GraphicsPath();
    /// <summary>
    /// 網絡訂購按鈕的位置范圍
    /// </summary>
    GraphicsPath gpNetPurchase = new GraphicsPath();

    Graphics dc = null;

 


/// <summary>
    /// 獲取4個按鈕的區域范圍
    /// </summary>
    private void GetButtonGraphicPath()
    {
        FlageMouseDownRealTime = false;
        FlageMouseDownWinePos = false;
        FlageMouseDownCupIntrol = false;
        FlageMouseDownNetPurchase = false;

        Point[] pt = new Point[]{
                new Point(BtnLocation[0,0],BtnLocation[0,1]),
                new Point(BtnLocation[0,0]+BtnSize.Width,BtnLocation[0,1]),
                new Point(BtnLocation[0,0]+BtnSize.Width,BtnLocation[0,1]+BtnSize.Height),
                new Point(BtnLocation[0,0],BtnLocation[0,1]+BtnSize.Height)
            };
        gpRealTime.AddLines(pt);
        pt = new Point[]{
                new Point(BtnLocation[1,0],BtnLocation[1,1]),
                new Point(BtnLocation[1,0]+BtnSize.Width,BtnLocation[1,1]),
                new Point(BtnLocation[1,0]+BtnSize.Width,BtnLocation[1,1]+BtnSize.Height),
                new Point(BtnLocation[1,0],BtnLocation[1,1]+BtnSize.Height)
            };
        gpWinePos.AddLines(pt);
        pt = new Point[]{
                new Point(BtnLocation[2,0],BtnLocation[2,1]),
                new Point(BtnLocation[2,0]+BtnSize.Width,BtnLocation[2,1]),
                new Point(BtnLocation[2,0]+BtnSize.Width,BtnLocation[2,1]+BtnSize.Height),
                new Point(BtnLocation[2,0],BtnLocation[2,1]+BtnSize.Height)
            };
        gpCupIntrol.AddLines(pt);
        pt = new Point[]{
                new Point(BtnLocation[3,0],BtnLocation[3,1]),
                new Point(BtnLocation[3,0]+BtnSize.Width,BtnLocation[3,1]),
                new Point(BtnLocation[3,0]+BtnSize.Width,BtnLocation[3,1]+BtnSize.Height),
                new Point(BtnLocation[3,0],BtnLocation[3,1]+BtnSize.Height)
            };
        gpNetPurchase.AddLines(pt);

    }

 


 private void InitialButtonsStyle()
    {
        GetButtonGraphicPath();

        pxControl.Location = new Point(0,0);
        pxControl.Size = new Size(1024,768);
        SetBackGroudImg();
        this.Controls.Add(pxControl);
        dc = pxControl.CreateGraphics();
        pxControl.MouseDoubleClick +=new MouseEventHandler(this.Main_MouseDoubleClick);
        pxControl.MouseDown+=new MouseEventHandler(this.pxControl_MouseDown);
        pxControl.MouseUp += new MouseEventHandler(this.pxControl_MouseUp);
        pxControl.MouseMove += new MouseEventHandler(this.pxControl_MouseMove);
        pxControl.MouseClick += new MouseEventHandler(this.pxControl_MouseClick);

  }

 /// <summary>
    ///按下4個按鈕時的狀態變化
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void pxControl_MouseDown(object sender,MouseEventArgs e)
    {
        if (gpRealTime.IsVisible(e.Location))
        {
           using(Image imgTemp = Image.FromFile(strWineRealStatusDownPath))
           {
                dc.DrawImage(imgTemp, BtnLocation[0, 0], BtnLocation[0, 1], BtnSize.Width,BtnSize.Height);
                FlageMouseDownRealTime = true;
           }
        }
        if (gpWinePos.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWinePosQueryDownPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[1, 0], BtnLocation[1, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownWinePos = true;
            }
        }
        if (gpCupIntrol.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWineCupIntroDownPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[2, 0], BtnLocation[2, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownCupIntrol = true;
            }
        }
        if (gpNetPurchase.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWinePurchaseDownPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[3, 0], BtnLocation[3, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownNetPurchase = true;
            }
        }
    }


/// <summary>
    ///離開4個按鈕時的狀態變化
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void pxControl_MouseMove(object sender, MouseEventArgs e)
    {
        if (gpRealTime.IsVisible(e.Location))
        {
            if (FlageMouseDownRealTime)
            {
                using (Image imgTemp = Image.FromFile(strWineRealStatusDownPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[0, 0], BtnLocation[0, 1], BtnSize.Width, BtnSize.Height);
                }
            }
        }
        else
        {
            if (FlageMouseDownRealTime)
            {
                using (Image imgTemp = Image.FromFile(strWineRealStatusUpPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[0, 0], BtnLocation[0, 1], BtnSize.Width, BtnSize.Height);
                }
                FlageMouseDownRealTime = false;
            }
        }
        if (gpWinePos.IsVisible(e.Location))
        {
            if (FlageMouseDownWinePos)
            {
                using (Image imgTemp = Image.FromFile(strWinePosQueryDownPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[1, 0], BtnLocation[1, 1], BtnSize.Width, BtnSize.Height);
                }
            }
        }
        else
        {
            if (FlageMouseDownWinePos)
            {
                using (Image imgTemp = Image.FromFile(strWinePosQueryUpPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[1, 0], BtnLocation[1, 1], BtnSize.Width, BtnSize.Height);
                }
                FlageMouseDownWinePos = false;
            }
        }
        if (gpCupIntrol.IsVisible(e.Location))
        {
            if (FlageMouseDownCupIntrol)
            {
                using (Image imgTemp = Image.FromFile(strWineCupIntroDownPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[2, 0], BtnLocation[2, 1], BtnSize.Width, BtnSize.Height);
                }
            }
        }
        else
        {
            if (FlageMouseDownCupIntrol)
            {
                using (Image imgTemp = Image.FromFile(strWineCupIntroUpPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[2, 0], BtnLocation[2, 1], BtnSize.Width, BtnSize.Height);
                }
                FlageMouseDownCupIntrol = false;
            }
        }
        if (gpNetPurchase.IsVisible(e.Location))
        {
            if (FlageMouseDownNetPurchase)
            {
                using (Image imgTemp = Image.FromFile(strWinePurchaseDownPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[3, 0], BtnLocation[3, 1], BtnSize.Width, BtnSize.Height);
                }
            }
        }
        else
        {
            if (FlageMouseDownNetPurchase)
            {
                using (Image imgTemp = Image.FromFile(strWinePurchaseUpPath))
                {
                    dc.DrawImage(imgTemp, BtnLocation[3, 0], BtnLocation[3, 1], BtnSize.Width, BtnSize.Height);
                }
                FlageMouseDownNetPurchase = false;
            }
        }
    }

 /// <summary>
    ///松開4個按鈕時的狀態變化
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void pxControl_MouseUp(object sender, MouseEventArgs e)
    {
        if (gpRealTime.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWineRealStatusUpPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[0, 0], BtnLocation[0, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownRealTime = false;
            }
        }
        if (gpWinePos.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWinePosQueryUpPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[1, 0], BtnLocation[1, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownWinePos = false;
            }
        }
        if (gpCupIntrol.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWineCupIntroUpPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[2, 0], BtnLocation[2, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownCupIntrol = false;
            }
        }
        if (gpNetPurchase.IsVisible(e.Location))
        {
            using (Image imgTemp = Image.FromFile(strWinePurchaseUpPath))
            {
                dc.DrawImage(imgTemp, BtnLocation[3, 0], BtnLocation[3, 1], BtnSize.Width, BtnSize.Height);
                FlageMouseDownNetPurchase = false;
            }
        }
    }

 


  /// <summary>
    /// 按下4個按鈕時的事件的變化
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void pxControl_MouseClick(object sender, MouseEventArgs e)
    {
        if (gpRealTime.IsVisible(e.Location))
        {
            btnRealStatus_Click(null, null);
        }
        else if (gpWinePos.IsVisible(e.Location))
        {
            btnWinePosQuery_Click(null, null);
        }
        else if (gpCupIntrol.IsVisible(e.Location))
        {
            btnWineCupIntro_Click(null, null);
        }
        else if (gpNetPurchase.IsVisible(e.Location))
        {
            btnPurchase_Click(null, null);
        }
    }

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