作者：绿色风
分类：
时间：2022-08-17
浏览：84
楼主
xmyjk |
Q:如何运用API在窗体中输出文字?
A:- Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
- Private Declare Function SetBkColor Lib "gdi32" (ByVal hdc As Long, ByVal crColor As Long) As Long
- Private Declare Function TextOut Lib "gdi32" Alias "TextOutA" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal lpString As String, ByVal nCount As Long) As Long
- Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
- Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
- Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
- Private Sub CommandButton1_Click()
- Dim dc As Long, s As String, formhandle As Long
- formhandle = FindWindow(vbNullString, UserForm1.Caption)
- dc = GetDC(formhandle) '获取窗体句柄的DC
- s = "你好"
- Call SetBkColor(dc, &HF0F0F0) '设置绘制区域的背景色，也起清除作用
- Call TextOut(dc, 10, 10, s, LenB(s)) '输出文本！
- Call Sleep(40) '等待
- Call ReleaseDC(formhandle, dc) '释放资源！
- End Sub
 窗体文字.zip
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lnt1231 |
向妃公致敬
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3楼
老糊涂 |
学习 |
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