Winform中对控件进行禁用,可以达到不接收鼠标的需要,同时可以显示控件的颜色,可以使控件进行正常的显示。
[System.Runtime.InteropServices.DllImport("user32.dll ")]
public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int wndproc);
[System.Runtime.InteropServices.DllImport("user32.dll ")]
public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
public const int GWL_STYLE = -16;
public const int WS_DISABLED = 0x8000000;
public static void SetControlEnabled(Control c, bool enabled)
{
if (enabled)
{ SetWindowLong(c.Handle, GWL_STYLE, (~WS_DISABLED) & GetWindowLong(c.Handle, GWL_STYLE)); }
else
{ SetWindowLong(c.Handle, GWL_STYLE, WS_DISABLED + GetWindowLong(c.Handle, GWL_STYLE)); }
}
private void button2_Click(object sender, System.EventArgs e)
{
SetControlEnabled(this.label, false);
this.label.ForeColor = Color.White;
}