winform中的Balloon提示
1.擴展類庫
namespace DvsCC
{
using System;
using System.Drawing;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Windows.Forms;
/// <summary>
/// Summary description for NativeMethods.
/// </summary>
public class NativeMethods
{
private const long WS_POPUP = 0x80000000;
private const long TTS_BALLOON = 0x40;
private const long TTS_NOFADE = 0x20;
private const int GWL_STYLE = -16;
private const int WM_USER = 0x0400;
private const int TTM_SETTIPBKCOLOR = WM_USER + 19;
private NativeMethods() {}
public static void SetBalloonStyle ( ToolTip toolTip )
{
NativeWindow window = GetNativeWindow ( toolTip );
NativeMethods.SetWindowLong ( window.Handle, GWL_STYLE , WS_POPUP | TTS_BALLOON | TTS_NOFADE );
}
public static void SetBackColor ( ToolTip toolTip, Color color )
{
int backColor = ColorTranslator.ToWin32( color );
NativeWindow window = GetNativeWindow ( toolTip );
//setting back color
SendMessage( window.Handle, TTM_SETTIPBKCOLOR, backColor, 0 );
}
private static NativeWindow GetNativeWindow ( ToolTip toolTip )
{
FieldInfo windowField = toolTip.GetType().GetField("window", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance );
NativeWindow window = (NativeWindow)windowField.GetValue ( toolTip );
if ( window.Handle == IntPtr.Zero ) throw new ArgumentNullException ( "window handle is not crated." );
return window;
}
[DllImport("user32.dll")]
private static extern long SetWindowLong(IntPtr hwnd,int index,long val);
[DllImport("user32.dll")]
private static extern int SendMessage( IntPtr hwnd, int msg, int wParam, int lParam);
}
}
2.使用方法
NativeMethods.SetBalloonStyle ( toolTip1 );
namespace DvsCC{
using System; using System.Drawing; using System.Reflection; using System.Runtime.InteropServices; using System.Windows.Forms; /// <summary>
/// Summary description for NativeMethods. /// </summary> public class NativeMethods { private const long WS_POPUP = 0x80000000; private const long TTS_BALLOON = 0x40; private const long TTS_NOFADE = 0x20; private const int GWL_STYLE = -16; private const int WM_USER = 0x0400; private const int TTM_SETTIPBKCOLOR = WM_USER + 19; private NativeMethods() {} public static void SetBalloonStyle ( ToolTip toolTip ) { NativeWindow window = GetNativeWindow ( toolTip ); NativeMethods.SetWindowLong ( window.Handle, GWL_STYLE , WS_POPUP | TTS_BALLOON | TTS_NOFADE ); } public static void SetBackColor ( ToolTip toolTip, Color color ) { int backColor = ColorTranslator.ToWin32( color ); NativeWindow window = GetNativeWindow ( toolTip ); //setting back color SendMessage( window.Handle, TTM_SETTIPBKCOLOR, backColor, 0 ); } private static NativeWindow GetNativeWindow ( ToolTip toolTip ) { FieldInfo windowField = toolTip.GetType().GetField("window", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance ); NativeWindow window = (NativeWindow)windowField.GetValue ( toolTip ); if ( window.Handle == IntPtr.Zero ) throw new ArgumentNullException ( "window handle is not crated." ); return window; } [DllImport("user32.dll")] private static extern long SetWindowLong(IntPtr hwnd,int index,long val); [DllImport("user32.dll")] private static extern int SendMessage( IntPtr hwnd, int msg, int wParam, int lParam); } }2.使用方法
NativeMethods.SetBalloonStyle ( toolTip1 );
作者：jillzhang
出處：http://jillzhang.cnblogs.com/
本文版權歸作者和博客園共有，歡迎轉載，但未經作者同意必須保留此段聲明，且在文章頁面明顯位置給出原文連接，否則保留追究法律責任的權利。
出處：http://jillzhang.cnblogs.com/
本文版權歸作者和博客園共有，歡迎轉載，但未經作者同意必須保留此段聲明，且在文章頁面明顯位置給出原文連接，否則保留追究法律責任的權利。
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