C# 我有一个带背景图像的按钮。如何在特定条件下触发鼠标删除事件？_C#_Winforms

C# 我有一个带背景图像的按钮。如何在特定条件下触发鼠标删除事件？

c# winforms

C# 我有一个带背景图像的按钮。如何在特定条件下触发鼠标删除事件？,c#,winforms,C#,Winforms,我有一个有背景的按钮。我创建了mouseenter和mouseleave事件。在mouseleave事件中，如果鼠标光标位于2个坐标之外，它将触发mouseleave事件 private void Button_SpanMouseEnter(object sender, EventArgs e) { Button x = sender as Button; x.Size = new Size(500, 250); x.Location =

我有一个有背景的按钮。我创建了mouseenter和mouseleave事件。在mouseleave事件中，如果鼠标光标位于2个坐标之外，它将触发mouseleave事件

private void Button_SpanMouseEnter(object sender, EventArgs e)
    {
        Button x = sender as Button;
        x.Size = new Size(500, 250);
        x.Location = new Point(0, 0);
    }

    private void Button_SpanMouseLeave(object sender, EventArgs e)
    {
        Button x = sender as Button;

        //If cursor is outside of this coordinates(0,0) & (250,125)
        //it will trigger this size
        x.Size = new Size(250,125);
        x.Location = new Point(0, 0);
    }

我的问题是，当我离开500X250矩形时，它会触发鼠标移动。我希望它在250X125矩形中触发。

要归档您正在尝试的效果，您需要使用

MouseMove

事件，而不是

按钮\u MouseLeave

事件。因此，请删除您的

按钮\u SpanMouseLeave

事件并添加此事件：

private void button1_MouseMove(object sender, MouseEventArgs e)
{
    Button x = sender as Button;
    Point p = PointToClient(System.Windows.Forms.Control.MousePosition);
    if (p.X > 250|| p.Y >125)
    {
        button1.Size = new Size(250, 125);
        button1.Location = new Point(0, 0);
    }
}

编辑

事实上，您根本不需要PointToClient方法。所以代码是这样的：

private void button1_MouseMove(object sender, MouseEventArgs e)
{
    Button x = sender as Button;
    if (e.X > 250|| e.Y >125)
    {
        x.Size = new Size(250, 125);
        x.Location = new Point(0, 0);
    }
}

private void button1_MouseMove(object sender, MouseEventArgs e)
{
    Button x = sender as Button;
    Point p = PointToClient(System.Windows.Forms.Control.MousePosition);
    this.label1.Text = p.X.ToString() + " " + p.Y.ToString();
    if (p.X > x.Location.X + 250 || p.Y > x.Location.Y+125)
    {
        button1.Size = new Size(250, 125);
    }
}

编辑2

好的，如果按钮不在

0,0

中，那么最好像这样使用

PointToClient

：

private void button1_MouseMove(object sender, MouseEventArgs e)
{
    Button x = sender as Button;
    if (e.X > 250|| e.Y >125)
    {
        x.Size = new Size(250, 125);
        x.Location = new Point(0, 0);
    }
}

private void button1_MouseMove(object sender, MouseEventArgs e)
{
    Button x = sender as Button;
    Point p = PointToClient(System.Windows.Forms.Control.MousePosition);
    this.label1.Text = p.X.ToString() + " " + p.Y.ToString();
    if (p.X > x.Location.X + 250 || p.Y > x.Location.Y+125)
    {
        button1.Size = new Size(250, 125);
    }
}