Can't load a GdPicture ActiveX within Visual Studio .NET or within Visual Basic 6. "Error loading library dll."
The control you are trying to use is probably marked as safe for scripting and safe for initializing.
If you encounter problems to load it, you should copy the objsafe.tlb file into the system32 directory.
How many license do i need to purchase / what is the licensing mode ?
Two different licenses are available for all our components:
Per-developer license Only one License is required per developer. Each valid license key entitles a single developer to write software which accesses to the purchased component.
Site license This license entitles an unlimited number of developers in your organization to write software which accesses the purchased component.
In all cases there is no royalty fee for redistributing all the GdPicture SDKs with your software. You have rights to use the GdPicture Control files within your softwares for an unlimited number of copies.
How to unlock my GdPicture component ?
The final version is the same as the evaluation version.
You have to unlock the component with your own license key using the SetLicenseNumber method().
-> IE: object.SetLicenseNumber ("0012345678910111213141516")
You can purchase a license key here
How I can purchase a version of a GdPicture SDK and how should I proceed to place an order ?
You can purchase a license key here with Share-It.
Share-It is comprehensive payment options include credit card, debit card, bank transfer, check, cash or purchase order, including billing in various currencies. They accept Visa, MasterCard, Eurocard, American Express, Discover, JCB, Diners Club, Switch and Solo. ShareIt also accepts checks sent to their offices in the U.S. and Europe. If you are in Germany, France, the United Kingdom, or Finland you can even wire transfer money to a local bank account.
After the purchase process a license key will be sent to you without human intervention.
What kind of color value I need to use as parameter with drawing methods ?
GdPicture components works only with long ARGB color value. This is available for 1bpp, 4pbb, 16bpp, 24bpp, 32bpp... bitmaps.
To get a long argb color value you can use the ARGB() method.
The ARGB() method returns an ARGB long color value by using specified values for the alpha, red, green, and blue components.
Ex:
-To get the red color value:
nRedValue = object.ARGB(255, 255, 0, 0)
-To get the semi transparent blue color value:
nSemiTransparentBlueValue = object.ARGB(127, 0, 0,255)
How I can show PDF files into the GdViewer control ?
You can display PDF files into the GdViewer control using the DisplayFromFile() method or using the DisplayFromPdfFile() method.
How compare the features of the full line of GdPicture products ?
You can find a comparison matrix here
How to use a GdPicture ActiveX Component into Visual Studio DotNet ?
- Open or Start a new project.
- Right-click into the Toolbox Items and select "Add/Remove Items" for visual studio 2003 or "Choose Items" for visual studio 2005 and 2008.
- Choose the COM tab and check the classe(s) you want to use.
- The icons of the controls you choose are showed at the end of the Toolbox Items. Click the icon to choose a control and insert the control into the form, then set the properties of the control instances...
Can't register a GdPicture ActiveX on Windows Vista. "The Call to DllRegisterServer Failed with Error Code 0×80004005"
To register a DLL in Windows Vista with regsvr32.exe, you need to have administrator privileges and rights.
Unless you have disabled UAC (User Access Control), all user accounts except Administrator that you use to login into Vista will need user to manually elevate the user rights to administrator credentials although you have set their roles as administrator.
Article from mydigitallife.info
How to import an image from a GdPicture object to a System.Drawing.Bitmap object within Visual Studio Dotnet (C# and VB.NET) ?
- With vb.net:
Dim MyImagingObject As New GdPicturePro4.cImaging
MyImagingObject.CreateImageFromFile("c:\test.jpg")
Dim MyPictureObject As System.Drawing.Bitmap = Bitmap.FromHbitmap(MyImagingObject.GetHBitmap)
- With C#:
GdPicturePro4.cImaging MyImagingObject = new GdPicturePro4.cImaging();
MyImagingObject.CreateImageFromFile("c:\\test.jpg");
Bitmap MyBitmap = Bitmap.FromHbitmap((new IntPtr(MyImagingObject.GetHBitmap())));
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