Question

VB跪求png透明图片控件

不要给我链接让我自己去下

不要给我API代码，我不需要
只要能加载png透明图片的控件，重谢！
先给100分，满意再加100

Answer 1

试下这个，很好用，包括测试代码

追问

看图片还有点白边啊！
哥们，有时间没有，帮忙优化一下吧。
只要从外部导入png图片到控件内就可以了，别的功能都不用！

Answer 2

你不自已下还别人给你邮去么。

追问

用不了啊！你怎么测试通过的？

Answer 3

我也想用图片透明控件，但是弄了半天还无效。。。。
累死我了

Answer 4

'模块
Option Explicit
Private Declare Function GdiplusStartup Lib "gdiplus" (token As Long, inputbuf As GdiplusStartupInput, Optional ByVal outputbuf As Long = 0) As GpStatus
Private Declare Sub GdiplusShutdown Lib "gdiplus" (ByVal token As Long)
Private Declare Function GdipCreateFromHDC Lib "gdiplus" (ByVal hwnd As Long, graphics As Long) As GpStatus
Private Declare Function GdipDeleteGraphics Lib "gdiplus" (ByVal graphics As Long) As GpStatus
Private Declare Function GdipDrawImageRect Lib "gdiplus" (ByVal graphics As Long, ByVal image As Long, ByVal x As Single, ByVal y As Single, ByVal Width As Single, ByVal Height As Single) As GpStatus
Private Declare Function GdipLoadImageFromFile Lib "gdiplus" (ByVal filename As String, image As Long) As GpStatus
Private Declare Function GdipGetImageWidth Lib "gdiplus" (ByVal image As Long, Width As Long) As GpStatus
Private Declare Function GdipGetImageHeight Lib "gdiplus" (ByVal image As Long, Height As Long) As GpStatus
Private Declare Function GdipDisposeImage Lib "gdiplus" (ByVal image As Long) As GpStatus
Private Type GdiplusStartupInput
GdiplusVersion As Long
DebugEventCallback As Long
SuppressBackgroundThread As Long
SuppressExternalCodecs As Long
End Type
Private Enum GpStatus
Ok = 0
GenericError = 1
InvalidParameter = 2
OutOfMemory = 3
ObjectBusy = 4
InsufficientBuffer = 5
NotImplemented = 6
Win32Error = 7
WrongState = 8
Aborted = 9
FileNotFound = 10
ValueOverflow = 11
AccessDenied = 12
UnknownImageFormat = 13
FontFamilyNotFound = 14
FontStyleNotFound = 15
NotTrueTypeFont = 16
UnsupportedGdiplusVersion = 17
GdiplusNotInitialized = 18
PropertyNotFound = 19
PropertyNotSupported = 20
End Enum

Public Function loadpicture(Display As Object, path As String) As Long
Dim pImg As Long, pGraphics As Long, w As Long, h As Long, StartupInput As GdiplusStartupInput, I As Integer
StartupInput.GdiplusVersion = 1
If GdiplusStartup(pImg, StartupInput, ByVal 0) Then loadpicture = 0: Exit Function Else loadpicture = 1
Call GdipLoadImageFromFile(StrConv(path, vbUnicode), pImg)
Call GdipCreateFromHDC(Display.hDC, pGraphics)
Call GdipGetImageWidth(pImg, w)
Call GdipGetImageHeight(pImg, h)
Display.Width = w * 15
Display.Height = h * 15
Display.Refresh
Call GdipCreateFromHDC(Display.hDC, pGraphics)
Call GdipDrawImageRect(pGraphics, pImg, 0, 0, w, h)
Call GdipDisposeImage(pImg)
Call GdipDeleteGraphics(pGraphics)
Call GdiplusShutdown(pImg)
End Function

'窗体
Private Sub Command1_Click()
Call loadpicture(Picture1, "C:\Users\Administrator\Desktop\2.png")
End Sub

Answer 5

那就用 裁切工具 把周围一圈白边切掉吧~\r\n

追问

怎么用啊？