Solved

save my own picture in file

Posted on 2001-06-11
4
161 Views
Last Modified: 2010-05-02
hi
as you know we can use BitBlt function to get capture from Dc to other Dc.
how i can save the new image whitch i capture it , to the file.
for examp:
Myret=bitblt(picture1.hdc,0,0,100,100,getdc(0),0,0,DropFlag)

when i write

SavePicture Picture1.Picture, "c:\mypic.bmp"

compiler say
thier is no picture

0
Comment
Question by:issamtaher
  • 3
4 Comments
 
LVL 38

Accepted Solution

by:
PaulHews earned 100 total points
ID: 6178864
Option Explicit
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long

Private Sub Command1_Click()
    Dim myret As Long
    Picture1.AutoRedraw = True
    myret = BitBlt(Picture1.hDC, 0, 0, 100, 100, GetDC(0), 0, 0, vbSrcCopy)
    Debug.Print myret
    Picture1.Refresh
    SavePicture Picture1.Image, "C:\windows\desktop\test.bmp"
End Sub

0
 
LVL 38

Expert Comment

by:PaulHews
ID: 6178911
The AutoRedraw is the important thing here.  It creates a persistent memory bitmap (necessary for valid picture object) when drawing operations are performed on the DC.
0
 
LVL 1

Author Comment

by:issamtaher
ID: 6178914
thank you for heilping me
yours issam taher
0
 
LVL 38

Expert Comment

by:PaulHews
ID: 6178940
You're welcome
0

Featured Post

Courses: Start Training Online With Pros, Today

Brush up on the basics or master the advanced techniques required to earn essential industry certifications, with Courses. Enroll in a course and start learning today. Training topics range from Android App Dev to the Xen Virtualization Platform.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Enums (shorthand for ‘enumerations’) are not often used by programmers but they can be quite valuable when they are.  What are they? An Enum is just a type of variable like a string or an Integer, but in this case one that you create that contains…
If you need to start windows update installation remotely or as a scheduled task you will find this very helpful.
As developers, we are not limited to the functions provided by the VBA language. In addition, we can call the functions that are part of the Windows operating system. These functions are part of the Windows API (Application Programming Interface). U…
Get people started with the utilization of class modules. Class modules can be a powerful tool in Microsoft Access. They allow you to create self-contained objects that encapsulate functionality. They can easily hide the complexity of a process from…

785 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question