WebHandWrinting

Description of Control

The user control WebHandwriting allows a signature / drawing to be scanned, returning an image to be managed from GeneXus. 

Platforms

Web

Using the control 

Open Extensibility Catalog, and go to the Web  section through the left side menu. 
Select the HandWriting control. Follow the steps of the Wizard. 
To use the control create a Web Panel, add a variable of type blob and assign Control Type to the value of HandWriting.

Pull the variable in the form of the Web Panel.  

Properties

From the Control Info section in the property bar you can configure:

  • Width: width of the control
  • Height: height of the control

Example of events

//Web panel
Event "SaveSignature"
    if not &Signature = ""
        InsertSignature(&Signature)
        gridSignature.Refresh()
    else
        msg("Signature is empty.")
    endif
Endevent

 
 // Proc. InsertSignature
// &BlobSignature = blob
 
&BlobSignature.FromBase64String(&Signature)
new
    Trn_HandWritingDescription = "Signature"
    Trn_HandWritingSignature = &BlobSignature
endnew

 

Execution